Market price
- Near Mint
- $24.30
- Lightly Played
- $20.64
- Moderately Played
- $13.00
- Heavily Played
- $14.30
- Damaged
- $15.12
- Near Mint
- $24.30
- Lightly Played
- $20.64
- Moderately Played
- $13.00
- Heavily Played
- $14.30
Buy
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This creature enters with X +1/+1 counters on it.
: Put a +1/+1 counter on this creature.
Remove a +1/+1 counter from this creature: It deals 1 damage to any target.
0/0
Illustrated by Evan Shipard
Rulings (2)
Aug 7, 2020
A casting cost of 
means that you pay twice X. If you want X to be 3, you pay 
to cast Walking Ballista.
Aug 7, 2020
If Walking Ballista has been dealt damage or had its toughness reduced by an effect, this limits how many times you'll be able to remove +1/+1 counters from it in a single turn. For example, if it has three +1/+1 counters on it and has been dealt 1 damage this turn, it will be destroyed immediately after you activate the ability a second time and you won't be able to activate it a third time.
